XML 75 R60.htm IDEA: XBRL DOCUMENT v3.19.2
Revenue - Schedule of Construction Segment Revenue (Details) - Construction
$ in Millions
Jun. 30, 2019
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations $ 422.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 46.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations 468.5
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 96.7
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 25.1
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations 121.8
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 26.4
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 0.0
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations 26.4
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 35.8
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 0.0
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations 35.8
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 127.0
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 19.9
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations 146.9
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 90.1
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 1.2
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations 91.3
Other | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 46.1
Other | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01  
Segment Reporting Information [Line Items]  
Remaining performance obligations 0.2
Other | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Segment Reporting Information [Line Items]  
Remaining performance obligations $ 46.3